java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:52,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:52,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:52,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:52,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:52,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:52,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:52,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:52,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:52,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:52,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:52,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:52,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:52,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:52,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:52,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:52,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:52,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:52,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:52,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:52,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:52,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:52,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:52,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:52,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:52,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:52,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:52,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:52,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:52,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:52,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:52,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:52,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:52,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:52,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:52,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:52,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:52,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:52,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:52,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:52,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:52,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:52,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:52,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:52,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:52,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:52,326 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:52,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:52,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:52,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:52,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:52,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:52,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:52,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:52,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:52,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:52,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:52,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:52,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:52,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:52,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:52,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:52,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:52,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:52,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:52,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:52,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:52,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:52,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:52,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:52,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:52,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:52,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:52,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:52,647 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:52,648 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:52,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2019-10-13 21:22:52,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95b545996/5e2e432922b54c60a93678f4eda3e157/FLAG7e68d0903 [2019-10-13 21:22:53,296 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:53,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2019-10-13 21:22:53,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95b545996/5e2e432922b54c60a93678f4eda3e157/FLAG7e68d0903 [2019-10-13 21:22:53,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95b545996/5e2e432922b54c60a93678f4eda3e157 [2019-10-13 21:22:53,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:53,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:53,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:53,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:53,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:53,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7639f8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:53, skipping insertion in model container [2019-10-13 21:22:53,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:53" (1/1) ... [2019-10-13 21:22:53,577 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:53,627 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:54,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:54,100 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:54,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:54,223 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:54,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54 WrapperNode [2019-10-13 21:22:54,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:54,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:54,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:54,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:54,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... [2019-10-13 21:22:54,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:54,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:54,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:54,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:54,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:54,383 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:54,384 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:22:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:55,613 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:55,613 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:55,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:55 BoogieIcfgContainer [2019-10-13 21:22:55,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:55,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:55,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:55,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:55,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:53" (1/3) ... [2019-10-13 21:22:55,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733f8068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:55, skipping insertion in model container [2019-10-13 21:22:55,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:54" (2/3) ... [2019-10-13 21:22:55,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733f8068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:55, skipping insertion in model container [2019-10-13 21:22:55,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:55" (3/3) ... [2019-10-13 21:22:55,628 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2019-10-13 21:22:55,638 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:55,650 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:55,662 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:55,709 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:55,710 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:55,710 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:55,711 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:55,711 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:55,711 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:55,712 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:55,713 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:55,744 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2019-10-13 21:22:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:55,755 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,757 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:55,759 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,765 INFO L82 PathProgramCache]: Analyzing trace with hash -404445524, now seen corresponding path program 1 times [2019-10-13 21:22:55,776 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839651901] [2019-10-13 21:22:55,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839651901] [2019-10-13 21:22:56,196 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,199 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:56,199 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763915841] [2019-10-13 21:22:56,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:56,208 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:56,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:56,224 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 2 states. [2019-10-13 21:22:56,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,274 INFO L93 Difference]: Finished difference Result 316 states and 389 transitions. [2019-10-13 21:22:56,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:56,278 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:56,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,307 INFO L225 Difference]: With dead ends: 316 [2019-10-13 21:22:56,307 INFO L226 Difference]: Without dead ends: 160 [2019-10-13 21:22:56,317 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:56,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-13 21:22:56,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-10-13 21:22:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-13 21:22:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2019-10-13 21:22:56,400 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59 [2019-10-13 21:22:56,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,400 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2019-10-13 21:22:56,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2019-10-13 21:22:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:56,407 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,407 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,407 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,408 INFO L82 PathProgramCache]: Analyzing trace with hash -315023676, now seen corresponding path program 1 times [2019-10-13 21:22:56,408 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,408 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966688288] [2019-10-13 21:22:56,409 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,409 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966688288] [2019-10-13 21:22:56,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:56,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124775910] [2019-10-13 21:22:56,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:56,551 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:56,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:56,552 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 3 states. [2019-10-13 21:22:56,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,595 INFO L93 Difference]: Finished difference Result 261 states and 307 transitions. [2019-10-13 21:22:56,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:56,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:56,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,601 INFO L225 Difference]: With dead ends: 261 [2019-10-13 21:22:56,601 INFO L226 Difference]: Without dead ends: 151 [2019-10-13 21:22:56,604 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:56,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-13 21:22:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2019-10-13 21:22:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-13 21:22:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2019-10-13 21:22:56,633 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60 [2019-10-13 21:22:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,633 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2019-10-13 21:22:56,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:56,634 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2019-10-13 21:22:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:56,636 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,637 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,637 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,637 INFO L82 PathProgramCache]: Analyzing trace with hash 649722396, now seen corresponding path program 1 times [2019-10-13 21:22:56,638 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426671356] [2019-10-13 21:22:56,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426671356] [2019-10-13 21:22:56,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:56,801 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42613752] [2019-10-13 21:22:56,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:56,802 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:56,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:56,802 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 7 states. [2019-10-13 21:22:57,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:57,307 INFO L93 Difference]: Finished difference Result 274 states and 325 transitions. [2019-10-13 21:22:57,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:57,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:22:57,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:57,314 INFO L225 Difference]: With dead ends: 274 [2019-10-13 21:22:57,314 INFO L226 Difference]: Without dead ends: 151 [2019-10-13 21:22:57,316 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:57,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-13 21:22:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2019-10-13 21:22:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-13 21:22:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2019-10-13 21:22:57,333 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65 [2019-10-13 21:22:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,340 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2019-10-13 21:22:57,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2019-10-13 21:22:57,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:22:57,344 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:57,345 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:57,345 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:57,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,348 INFO L82 PathProgramCache]: Analyzing trace with hash 2071838844, now seen corresponding path program 1 times [2019-10-13 21:22:57,348 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:57,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695420453] [2019-10-13 21:22:57,348 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:57,484 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695420453] [2019-10-13 21:22:57,484 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:57,484 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:57,484 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660686484] [2019-10-13 21:22:57,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:57,485 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:57,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:57,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:57,486 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 5 states. [2019-10-13 21:22:58,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:58,130 INFO L93 Difference]: Finished difference Result 388 states and 469 transitions. [2019-10-13 21:22:58,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:58,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-10-13 21:22:58,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:58,133 INFO L225 Difference]: With dead ends: 388 [2019-10-13 21:22:58,133 INFO L226 Difference]: Without dead ends: 265 [2019-10-13 21:22:58,135 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-10-13 21:22:58,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2019-10-13 21:22:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-10-13 21:22:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 280 transitions. [2019-10-13 21:22:58,177 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 280 transitions. Word has length 83 [2019-10-13 21:22:58,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:58,178 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 280 transitions. [2019-10-13 21:22:58,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:58,178 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 280 transitions. [2019-10-13 21:22:58,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:58,184 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:58,185 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:58,186 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:58,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:58,187 INFO L82 PathProgramCache]: Analyzing trace with hash 477615551, now seen corresponding path program 1 times [2019-10-13 21:22:58,187 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:58,187 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645973288] [2019-10-13 21:22:58,187 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,187 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:58,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645973288] [2019-10-13 21:22:58,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:58,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:58,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748244469] [2019-10-13 21:22:58,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:58,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:58,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:58,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:58,372 INFO L87 Difference]: Start difference. First operand 246 states and 280 transitions. Second operand 7 states. [2019-10-13 21:22:59,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:59,062 INFO L93 Difference]: Finished difference Result 482 states and 565 transitions. [2019-10-13 21:22:59,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:59,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2019-10-13 21:22:59,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:59,067 INFO L225 Difference]: With dead ends: 482 [2019-10-13 21:22:59,068 INFO L226 Difference]: Without dead ends: 264 [2019-10-13 21:22:59,070 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:59,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-10-13 21:22:59,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 245. [2019-10-13 21:22:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-10-13 21:22:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 277 transitions. [2019-10-13 21:22:59,094 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 277 transitions. Word has length 97 [2019-10-13 21:22:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:59,095 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 277 transitions. [2019-10-13 21:22:59,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 277 transitions. [2019-10-13 21:22:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:22:59,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,097 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:59,097 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,098 INFO L82 PathProgramCache]: Analyzing trace with hash 115684108, now seen corresponding path program 1 times [2019-10-13 21:22:59,098 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517229906] [2019-10-13 21:22:59,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:59,222 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517229906] [2019-10-13 21:22:59,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:59,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:59,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231869469] [2019-10-13 21:22:59,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:59,224 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:59,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:59,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:59,225 INFO L87 Difference]: Start difference. First operand 245 states and 277 transitions. Second operand 6 states. [2019-10-13 21:22:59,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:59,310 INFO L93 Difference]: Finished difference Result 467 states and 537 transitions. [2019-10-13 21:22:59,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:59,312 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-13 21:22:59,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:59,315 INFO L225 Difference]: With dead ends: 467 [2019-10-13 21:22:59,316 INFO L226 Difference]: Without dead ends: 250 [2019-10-13 21:22:59,317 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-13 21:22:59,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2019-10-13 21:22:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2019-10-13 21:22:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 282 transitions. [2019-10-13 21:22:59,338 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 282 transitions. Word has length 98 [2019-10-13 21:22:59,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:59,339 INFO L462 AbstractCegarLoop]: Abstraction has 250 states and 282 transitions. [2019-10-13 21:22:59,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 282 transitions. [2019-10-13 21:22:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:22:59,340 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,341 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:59,341 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,342 INFO L82 PathProgramCache]: Analyzing trace with hash 43297550, now seen corresponding path program 1 times [2019-10-13 21:22:59,342 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474567533] [2019-10-13 21:22:59,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:59,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474567533] [2019-10-13 21:22:59,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:59,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:59,436 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326452299] [2019-10-13 21:22:59,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:59,437 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:59,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:59,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:59,438 INFO L87 Difference]: Start difference. First operand 250 states and 282 transitions. Second operand 8 states. [2019-10-13 21:22:59,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:59,489 INFO L93 Difference]: Finished difference Result 479 states and 555 transitions. [2019-10-13 21:22:59,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:59,489 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-13 21:22:59,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:59,492 INFO L225 Difference]: With dead ends: 479 [2019-10-13 21:22:59,493 INFO L226 Difference]: Without dead ends: 257 [2019-10-13 21:22:59,494 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:59,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-10-13 21:22:59,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 254. [2019-10-13 21:22:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-10-13 21:22:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 286 transitions. [2019-10-13 21:22:59,513 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 286 transitions. Word has length 98 [2019-10-13 21:22:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:59,514 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 286 transitions. [2019-10-13 21:22:59,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 286 transitions. [2019-10-13 21:22:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:22:59,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,516 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:59,516 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,517 INFO L82 PathProgramCache]: Analyzing trace with hash 373063311, now seen corresponding path program 1 times [2019-10-13 21:22:59,517 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,517 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762138009] [2019-10-13 21:22:59,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:59,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762138009] [2019-10-13 21:22:59,601 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:59,602 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:59,602 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195400235] [2019-10-13 21:22:59,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:59,603 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:59,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:59,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:59,604 INFO L87 Difference]: Start difference. First operand 254 states and 286 transitions. Second operand 4 states. [2019-10-13 21:22:59,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:59,905 INFO L93 Difference]: Finished difference Result 748 states and 882 transitions. [2019-10-13 21:22:59,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:59,905 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-13 21:22:59,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:59,908 INFO L225 Difference]: With dead ends: 748 [2019-10-13 21:22:59,909 INFO L226 Difference]: Without dead ends: 522 [2019-10-13 21:22:59,910 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:59,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-10-13 21:22:59,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 513. [2019-10-13 21:22:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2019-10-13 21:22:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 593 transitions. [2019-10-13 21:22:59,947 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 593 transitions. Word has length 98 [2019-10-13 21:22:59,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:59,948 INFO L462 AbstractCegarLoop]: Abstraction has 513 states and 593 transitions. [2019-10-13 21:22:59,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 593 transitions. [2019-10-13 21:22:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-13 21:22:59,950 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,950 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:59,950 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1661296137, now seen corresponding path program 1 times [2019-10-13 21:22:59,951 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,951 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660861263] [2019-10-13 21:22:59,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:00,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660861263] [2019-10-13 21:23:00,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:00,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:00,162 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633255800] [2019-10-13 21:23:00,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:00,163 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:00,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:00,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:00,164 INFO L87 Difference]: Start difference. First operand 513 states and 593 transitions. Second operand 9 states. [2019-10-13 21:23:01,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:01,359 INFO L93 Difference]: Finished difference Result 1344 states and 1622 transitions. [2019-10-13 21:23:01,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:01,362 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2019-10-13 21:23:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:01,370 INFO L225 Difference]: With dead ends: 1344 [2019-10-13 21:23:01,370 INFO L226 Difference]: Without dead ends: 936 [2019-10-13 21:23:01,373 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:23:01,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2019-10-13 21:23:01,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 852. [2019-10-13 21:23:01,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-10-13 21:23:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 973 transitions. [2019-10-13 21:23:01,433 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 973 transitions. Word has length 102 [2019-10-13 21:23:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:01,434 INFO L462 AbstractCegarLoop]: Abstraction has 852 states and 973 transitions. [2019-10-13 21:23:01,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 973 transitions. [2019-10-13 21:23:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-13 21:23:01,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:01,438 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:01,438 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:01,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:01,439 INFO L82 PathProgramCache]: Analyzing trace with hash -577396182, now seen corresponding path program 1 times [2019-10-13 21:23:01,439 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:01,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010868116] [2019-10-13 21:23:01,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:01,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:23:01,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010868116] [2019-10-13 21:23:01,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362763637] [2019-10-13 21:23:01,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:01,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:01,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:23:02,121 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:02,584 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:23:02,585 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1115604340] [2019-10-13 21:23:02,592 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 181 [2019-10-13 21:23:02,663 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:02,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:02,759 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:02,762 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 70 root evaluator evaluations with a maximum evaluation depth of 0. Performed 70 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:23:02,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:02,767 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:02,894 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:02,897 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:02,907 INFO L553 sIntCurrentIteration]: We unified 179 AI predicates to 179 [2019-10-13 21:23:02,908 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:02,909 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:02,912 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:02,913 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55872470] [2019-10-13 21:23:02,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:02,917 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:02,917 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:02,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:02,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:02,918 INFO L87 Difference]: Start difference. First operand 852 states and 973 transitions. Second operand 2 states. [2019-10-13 21:23:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:02,969 INFO L93 Difference]: Finished difference Result 852 states and 973 transitions. [2019-10-13 21:23:02,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:02,969 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 180 [2019-10-13 21:23:02,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:02,970 INFO L225 Difference]: With dead ends: 852 [2019-10-13 21:23:02,970 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:02,972 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:02,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:02,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2019-10-13 21:23:02,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:02,974 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:02,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:02,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:03,181 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:03,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:03,499 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2019-10-13 21:23:03,499 INFO L443 ceAbstractionStarter]: For program point L736-1(lines 736 740) no Hoare annotation was computed. [2019-10-13 21:23:03,499 INFO L443 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2019-10-13 21:23:03,499 INFO L443 ceAbstractionStarter]: For program point L730-2(lines 730 751) no Hoare annotation was computed. [2019-10-13 21:23:03,499 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 705 760) no Hoare annotation was computed. [2019-10-13 21:23:03,499 INFO L443 ceAbstractionStarter]: For program point L752(lines 729 753) no Hoare annotation was computed. [2019-10-13 21:23:03,499 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 705 760) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 705 760) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 797) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point L793-1(lines 793 797) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 761 820) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point L787-2(lines 787 812) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 761 820) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point L813(lines 786 814) no Hoare annotation was computed. [2019-10-13 21:23:03,500 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 761 820) no Hoare annotation was computed. [2019-10-13 21:23:03,501 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-13 21:23:03,501 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-13 21:23:03,501 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2019-10-13 21:23:03,501 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2019-10-13 21:23:03,501 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2019-10-13 21:23:03,501 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2019-10-13 21:23:03,501 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2019-10-13 21:23:03,501 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 21:23:03,502 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:23:03,502 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:23:03,502 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 21:23:03,502 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:23:03,503 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 21:23:03,504 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:23:03,504 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 21:23:03,504 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:23:03,504 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:23:03,504 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:23:03,504 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 21:23:03,504 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:23:03,504 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 21:23:03,505 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 21:23:03,505 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:23:03,505 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 21:23:03,505 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 21:23:03,505 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 290 312) the Hoare annotation is: true [2019-10-13 21:23:03,505 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2019-10-13 21:23:03,505 INFO L446 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2019-10-13 21:23:03,505 INFO L446 ceAbstractionStarter]: At program point L302-1(line 302) the Hoare annotation is: true [2019-10-13 21:23:03,506 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2019-10-13 21:23:03,506 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 307) no Hoare annotation was computed. [2019-10-13 21:23:03,506 INFO L443 ceAbstractionStarter]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2019-10-13 21:23:03,506 INFO L443 ceAbstractionStarter]: For program point L298(line 298) no Hoare annotation was computed. [2019-10-13 21:23:03,506 INFO L446 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: true [2019-10-13 21:23:03,506 INFO L446 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: true [2019-10-13 21:23:03,506 INFO L446 ceAbstractionStarter]: At program point L296-1(line 296) the Hoare annotation is: true [2019-10-13 21:23:03,506 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-13 21:23:03,507 INFO L443 ceAbstractionStarter]: For program point L256(line 256) no Hoare annotation was computed. [2019-10-13 21:23:03,507 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 244 267) no Hoare annotation was computed. [2019-10-13 21:23:03,507 INFO L443 ceAbstractionStarter]: For program point L255(line 255) no Hoare annotation was computed. [2019-10-13 21:23:03,507 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-10-13 21:23:03,507 INFO L443 ceAbstractionStarter]: For program point L253(line 253) no Hoare annotation was computed. [2019-10-13 21:23:03,507 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 244 267) no Hoare annotation was computed. [2019-10-13 21:23:03,507 INFO L443 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2019-10-13 21:23:03,507 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 244 267) no Hoare annotation was computed. [2019-10-13 21:23:03,508 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-13 21:23:03,508 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-13 21:23:03,508 INFO L443 ceAbstractionStarter]: For program point L249(line 249) no Hoare annotation was computed. [2019-10-13 21:23:03,508 INFO L443 ceAbstractionStarter]: For program point L262(line 262) no Hoare annotation was computed. [2019-10-13 21:23:03,508 INFO L443 ceAbstractionStarter]: For program point L261(line 261) no Hoare annotation was computed. [2019-10-13 21:23:03,508 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-10-13 21:23:03,508 INFO L443 ceAbstractionStarter]: For program point L259(line 259) no Hoare annotation was computed. [2019-10-13 21:23:03,508 INFO L443 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2019-10-13 21:23:03,509 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2019-10-13 21:23:03,509 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2019-10-13 21:23:03,509 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2019-10-13 21:23:03,509 INFO L443 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2019-10-13 21:23:03,509 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2019-10-13 21:23:03,509 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2019-10-13 21:23:03,509 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-10-13 21:23:03,510 INFO L446 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2019-10-13 21:23:03,510 INFO L443 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2019-10-13 21:23:03,510 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2019-10-13 21:23:03,510 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 483) no Hoare annotation was computed. [2019-10-13 21:23:03,510 INFO L443 ceAbstractionStarter]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2019-10-13 21:23:03,510 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-13 21:23:03,510 INFO L443 ceAbstractionStarter]: For program point L498-1(line 498) no Hoare annotation was computed. [2019-10-13 21:23:03,510 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 468 503) no Hoare annotation was computed. [2019-10-13 21:23:03,510 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 495) no Hoare annotation was computed. [2019-10-13 21:23:03,511 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 468 503) no Hoare annotation was computed. [2019-10-13 21:23:03,511 INFO L443 ceAbstractionStarter]: For program point L487-2(lines 487 495) no Hoare annotation was computed. [2019-10-13 21:23:03,511 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 468 503) no Hoare annotation was computed. [2019-10-13 21:23:03,511 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2019-10-13 21:23:03,511 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2019-10-13 21:23:03,511 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 659 704) no Hoare annotation was computed. [2019-10-13 21:23:03,511 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 659 704) no Hoare annotation was computed. [2019-10-13 21:23:03,511 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 659 704) no Hoare annotation was computed. [2019-10-13 21:23:03,511 INFO L443 ceAbstractionStarter]: For program point L992(lines 992 999) no Hoare annotation was computed. [2019-10-13 21:23:03,512 INFO L443 ceAbstractionStarter]: For program point L986(lines 986 1006) no Hoare annotation was computed. [2019-10-13 21:23:03,512 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 972 1017) no Hoare annotation was computed. [2019-10-13 21:23:03,512 INFO L443 ceAbstractionStarter]: For program point L986-1(lines 986 1006) no Hoare annotation was computed. [2019-10-13 21:23:03,512 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 972 1017) no Hoare annotation was computed. [2019-10-13 21:23:03,512 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 972 1017) no Hoare annotation was computed. [2019-10-13 21:23:03,512 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: true [2019-10-13 21:23:03,512 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2019-10-13 21:23:03,512 INFO L446 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2019-10-13 21:23:03,512 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2019-10-13 21:23:03,513 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2019-10-13 21:23:03,513 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2019-10-13 21:23:03,513 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2019-10-13 21:23:03,513 INFO L446 ceAbstractionStarter]: At program point L453(line 453) the Hoare annotation is: true [2019-10-13 21:23:03,513 INFO L443 ceAbstractionStarter]: For program point L453-1(line 453) no Hoare annotation was computed. [2019-10-13 21:23:03,513 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: true [2019-10-13 21:23:03,513 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2019-10-13 21:23:03,513 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2019-10-13 21:23:03,514 INFO L443 ceAbstractionStarter]: For program point L182(lines 182 188) no Hoare annotation was computed. [2019-10-13 21:23:03,514 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2019-10-13 21:23:03,514 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2019-10-13 21:23:03,514 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2019-10-13 21:23:03,514 INFO L446 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2019-10-13 21:23:03,514 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 423) no Hoare annotation was computed. [2019-10-13 21:23:03,514 INFO L446 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: true [2019-10-13 21:23:03,514 INFO L443 ceAbstractionStarter]: For program point L413-1(line 413) no Hoare annotation was computed. [2019-10-13 21:23:03,514 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 428) no Hoare annotation was computed. [2019-10-13 21:23:03,515 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2019-10-13 21:23:03,515 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: true [2019-10-13 21:23:03,515 INFO L446 ceAbstractionStarter]: At program point L426(line 426) the Hoare annotation is: true [2019-10-13 21:23:03,515 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2019-10-13 21:23:03,515 INFO L446 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: true [2019-10-13 21:23:03,515 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2019-10-13 21:23:03,515 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2019-10-13 21:23:03,515 INFO L446 ceAbstractionStarter]: At program point L609(lines 560 610) the Hoare annotation is: true [2019-10-13 21:23:03,515 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 551 616) the Hoare annotation is: true [2019-10-13 21:23:03,516 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 603) no Hoare annotation was computed. [2019-10-13 21:23:03,516 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2019-10-13 21:23:03,516 INFO L446 ceAbstractionStarter]: At program point L599-2(lines 591 604) the Hoare annotation is: true [2019-10-13 21:23:03,516 INFO L443 ceAbstractionStarter]: For program point L562(lines 561 608) no Hoare annotation was computed. [2019-10-13 21:23:03,516 INFO L446 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: true [2019-10-13 21:23:03,516 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 604) no Hoare annotation was computed. [2019-10-13 21:23:03,516 INFO L446 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: true [2019-10-13 21:23:03,516 INFO L443 ceAbstractionStarter]: For program point L581(lines 581 587) no Hoare annotation was computed. [2019-10-13 21:23:03,516 INFO L443 ceAbstractionStarter]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2019-10-13 21:23:03,517 INFO L446 ceAbstractionStarter]: At program point L606(lines 561 608) the Hoare annotation is: true [2019-10-13 21:23:03,517 INFO L446 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: true [2019-10-13 21:23:03,517 INFO L443 ceAbstractionStarter]: For program point L571(lines 571 577) no Hoare annotation was computed. [2019-10-13 21:23:03,517 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2019-10-13 21:23:03,517 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2019-10-13 21:23:03,517 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2019-10-13 21:23:03,517 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 926 971) no Hoare annotation was computed. [2019-10-13 21:23:03,517 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 926 971) no Hoare annotation was computed. [2019-10-13 21:23:03,518 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 953) no Hoare annotation was computed. [2019-10-13 21:23:03,518 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 926 971) no Hoare annotation was computed. [2019-10-13 21:23:03,518 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 960) no Hoare annotation was computed. [2019-10-13 21:23:03,518 INFO L443 ceAbstractionStarter]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2019-10-13 21:23:03,518 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2019-10-13 21:23:03,518 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2019-10-13 21:23:03,518 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2019-10-13 21:23:03,518 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 162) no Hoare annotation was computed. [2019-10-13 21:23:03,518 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 146 168) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 146 168) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 146 168) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 619 628) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 619 628) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 619 628) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 823 925) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-10-13 21:23:03,519 INFO L443 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2019-10-13 21:23:03,520 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-10-13 21:23:03,520 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 922) no Hoare annotation was computed. [2019-10-13 21:23:03,520 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2019-10-13 21:23:03,521 INFO L443 ceAbstractionStarter]: For program point L872-2(lines 872 892) no Hoare annotation was computed. [2019-10-13 21:23:03,521 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 823 925) no Hoare annotation was computed. [2019-10-13 21:23:03,521 INFO L443 ceAbstractionStarter]: For program point L893(lines 871 894) no Hoare annotation was computed. [2019-10-13 21:23:03,521 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 868) no Hoare annotation was computed. [2019-10-13 21:23:03,521 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 823 925) no Hoare annotation was computed. [2019-10-13 21:23:03,521 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 919) no Hoare annotation was computed. [2019-10-13 21:23:03,521 INFO L443 ceAbstractionStarter]: For program point L873(lines 872 892) no Hoare annotation was computed. [2019-10-13 21:23:03,521 INFO L443 ceAbstractionStarter]: For program point L904(line 904) no Hoare annotation was computed. [2019-10-13 21:23:03,522 INFO L443 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2019-10-13 21:23:03,522 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 910) no Hoare annotation was computed. [2019-10-13 21:23:03,522 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,522 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:23:03,522 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,522 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2019-10-13 21:23:03,522 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2019-10-13 21:23:03,522 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 432 439) the Hoare annotation is: true [2019-10-13 21:23:03,523 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2019-10-13 21:23:03,524 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2019-10-13 21:23:03,524 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-13 21:23:03,524 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 517) no Hoare annotation was computed. [2019-10-13 21:23:03,524 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2019-10-13 21:23:03,524 INFO L446 ceAbstractionStarter]: At program point L511(line 511) the Hoare annotation is: true [2019-10-13 21:23:03,524 INFO L443 ceAbstractionStarter]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2019-10-13 21:23:03,524 INFO L443 ceAbstractionStarter]: For program point L511-1(line 511) no Hoare annotation was computed. [2019-10-13 21:23:03,524 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2019-10-13 21:23:03,525 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2019-10-13 21:23:03,525 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2019-10-13 21:23:03,525 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: true [2019-10-13 21:23:03,525 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2019-10-13 21:23:03,525 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,525 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,525 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,525 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2019-10-13 21:23:03,525 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2019-10-13 21:23:03,526 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2019-10-13 21:23:03,526 INFO L446 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: true [2019-10-13 21:23:03,526 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: true [2019-10-13 21:23:03,526 INFO L446 ceAbstractionStarter]: At program point L334(lines 334 340) the Hoare annotation is: true [2019-10-13 21:23:03,526 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2019-10-13 21:23:03,526 INFO L446 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: true [2019-10-13 21:23:03,526 INFO L443 ceAbstractionStarter]: For program point L327(lines 323 345) no Hoare annotation was computed. [2019-10-13 21:23:03,526 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2019-10-13 21:23:03,527 INFO L443 ceAbstractionStarter]: For program point L325(lines 323 345) no Hoare annotation was computed. [2019-10-13 21:23:03,527 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-13 21:23:03,528 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2019-10-13 21:23:03,528 INFO L446 ceAbstractionStarter]: At program point L223-2(lines 223 237) the Hoare annotation is: true [2019-10-13 21:23:03,528 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2019-10-13 21:23:03,528 INFO L446 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: true [2019-10-13 21:23:03,528 INFO L443 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2019-10-13 21:23:03,528 INFO L446 ceAbstractionStarter]: At program point L238(lines 213 242) the Hoare annotation is: true [2019-10-13 21:23:03,528 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-13 21:23:03,528 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-13 21:23:03,528 INFO L446 ceAbstractionStarter]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2019-10-13 21:23:03,529 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: true [2019-10-13 21:23:03,529 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2019-10-13 21:23:03,529 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2019-10-13 21:23:03,529 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2019-10-13 21:23:03,529 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2019-10-13 21:23:03,529 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,529 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:03,529 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:03,529 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:03,530 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2019-10-13 21:23:03,530 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: true [2019-10-13 21:23:03,530 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2019-10-13 21:23:03,530 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: true [2019-10-13 21:23:03,530 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2019-10-13 21:23:03,530 INFO L446 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: true [2019-10-13 21:23:03,530 INFO L443 ceAbstractionStarter]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2019-10-13 21:23:03,530 INFO L446 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: true [2019-10-13 21:23:03,531 INFO L446 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2019-10-13 21:23:03,531 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 371) no Hoare annotation was computed. [2019-10-13 21:23:03,531 INFO L446 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: true [2019-10-13 21:23:03,531 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-10-13 21:23:03,531 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 376) no Hoare annotation was computed. [2019-10-13 21:23:03,531 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2019-10-13 21:23:03,531 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2019-10-13 21:23:03,531 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: true [2019-10-13 21:23:03,531 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2019-10-13 21:23:03,532 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2019-10-13 21:23:03,532 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2019-10-13 21:23:03,532 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2019-10-13 21:23:03,532 INFO L443 ceAbstractionStarter]: For program point L385(lines 385 402) no Hoare annotation was computed. [2019-10-13 21:23:03,532 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2019-10-13 21:23:03,532 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: true [2019-10-13 21:23:03,532 INFO L446 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2019-10-13 21:23:03,532 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2019-10-13 21:23:03,533 INFO L446 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: true [2019-10-13 21:23:03,535 INFO L446 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2019-10-13 21:23:03,535 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 397) no Hoare annotation was computed. [2019-10-13 21:23:03,535 INFO L446 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: true [2019-10-13 21:23:03,535 INFO L443 ceAbstractionStarter]: For program point L387-1(line 387) no Hoare annotation was computed. [2019-10-13 21:23:03,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:03 BoogieIcfgContainer [2019-10-13 21:23:03,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:03,546 INFO L168 Benchmark]: Toolchain (without parser) took 9985.98 ms. Allocated memory was 142.6 MB in the beginning and 366.5 MB in the end (delta: 223.9 MB). Free memory was 99.5 MB in the beginning and 249.6 MB in the end (delta: -150.0 MB). Peak memory consumption was 73.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,547 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.64 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 99.3 MB in the beginning and 166.2 MB in the end (delta: -66.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,549 INFO L168 Benchmark]: Boogie Preprocessor took 98.25 ms. Allocated memory is still 199.8 MB. Free memory was 166.2 MB in the beginning and 161.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,550 INFO L168 Benchmark]: RCFGBuilder took 1292.80 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 161.9 MB in the beginning and 190.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,550 INFO L168 Benchmark]: TraceAbstraction took 7925.86 ms. Allocated memory was 227.5 MB in the beginning and 366.5 MB in the end (delta: 138.9 MB). Free memory was 190.0 MB in the beginning and 249.6 MB in the end (delta: -59.6 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:03,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.64 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 99.3 MB in the beginning and 166.2 MB in the end (delta: -66.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.25 ms. Allocated memory is still 199.8 MB. Free memory was 166.2 MB in the beginning and 161.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1292.80 ms. Allocated memory was 199.8 MB in the beginning and 227.5 MB in the end (delta: 27.8 MB). Free memory was 161.9 MB in the beginning and 190.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7925.86 ms. Allocated memory was 227.5 MB in the beginning and 366.5 MB in the end (delta: 138.9 MB). Free memory was 190.0 MB in the beginning and 249.6 MB in the end (delta: -59.6 MB). Peak memory consumption was 79.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 259 locations, 1 error locations. Result: SAFE, OverallTime: 7.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1785 SDtfs, 1322 SDslu, 3530 SDs, 0 SdLazy, 1988 SolverSat, 496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=852occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 134 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1097 PreInvPairs, 1098 NumberOfFragments, 81 HoareAnnotationTreeSize, 1097 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 71 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1120 NumberOfCodeBlocks, 1120 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1288 ConstructedInterpolants, 0 QuantifiedInterpolants, 285306 SizeOfPredicates, 4 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 133/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 176, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8044692737430168, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...